Billionaire toy mogul answers critics who say his crowdfunding campaign to save Toys R Us is a stunt

Pulled by four children, all chanting “Save Toys R Us,” Isaac Larian sat inside a red-and-yellow Little Tikes car on Tuesday, holding two tots in his lap, as he maneuvered his way through the chain’s store in Woodland Hills.

The 64-year-old toy mogul and his rambunctious entourage were not alone;...